Electrical Engineering (EE) Exam > Electrical Engineering (EE) Questions > For efficient transmission, the characteristi...
Start Learning for Free
For efficient transmission, the characteristic impedance of the transmission line has to be
- a)50 ohm
- b)75 ohm
- c)Either 50 or 75 ohm
- d)Neither 50 nor 75 ohm
Correct answer is option 'C'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Verified Answer
For efficient transmission, the characteristic impedance of the transm...
Answer: c
Explanation: Generally, for ideal transmission lines, the characteristic impedance should be either 50 ohm or 75 ohm.
Explanation: Generally, for ideal transmission lines, the characteristic impedance should be either 50 ohm or 75 ohm.
Most Upvoted Answer
For efficient transmission, the characteristic impedance of the transm...
Understanding Characteristic Impedance
Characteristic impedance is a crucial parameter in transmission lines, influencing how signals are transmitted and how well they are reflected.
Why 50 Ohm and 75 Ohm?
- 50 Ohm: Commonly used in power applications, such as RF transmitters and antennas. It provides a balance between power handling and signal integrity, making it suitable for high-power applications.
- 75 Ohm: Typically used in video and broadcast applications, including cable television and satellite feeds. It offers better signal quality and less loss over longer distances, making it ideal for low-power applications.
Why Either 50 or 75 Ohm?
- Versatility: Different applications have different requirements. Transmission lines can be designed to match either 50 or 75 ohm impedance based on the specific needs, such as power vs. signal quality.
- Reflection Minimization: To minimize signal reflections and maximize power transfer, the transmission line's characteristic impedance should match the load impedance. This means that both 50 and 75 ohm lines are valid depending on the connected devices.
Conclusion
In summary, the characteristic impedance of a transmission line does not have a strict requirement to be either 50 or 75 ohm; it can be designed for either value based on the application. This flexibility allows engineers to choose the best impedance for their specific requirements, ensuring efficient transmission of signals. Thus, the correct answer is option 'C': Either 50 or 75 ohm.
Characteristic impedance is a crucial parameter in transmission lines, influencing how signals are transmitted and how well they are reflected.
Why 50 Ohm and 75 Ohm?
- 50 Ohm: Commonly used in power applications, such as RF transmitters and antennas. It provides a balance between power handling and signal integrity, making it suitable for high-power applications.
- 75 Ohm: Typically used in video and broadcast applications, including cable television and satellite feeds. It offers better signal quality and less loss over longer distances, making it ideal for low-power applications.
Why Either 50 or 75 Ohm?
- Versatility: Different applications have different requirements. Transmission lines can be designed to match either 50 or 75 ohm impedance based on the specific needs, such as power vs. signal quality.
- Reflection Minimization: To minimize signal reflections and maximize power transfer, the transmission line's characteristic impedance should match the load impedance. This means that both 50 and 75 ohm lines are valid depending on the connected devices.
Conclusion
In summary, the characteristic impedance of a transmission line does not have a strict requirement to be either 50 or 75 ohm; it can be designed for either value based on the application. This flexibility allows engineers to choose the best impedance for their specific requirements, ensuring efficient transmission of signals. Thus, the correct answer is option 'C': Either 50 or 75 ohm.
Attention Electrical Engineering (EE) Students!
To make sure you are not studying endlessly, EduRev has designed Electrical Engineering (EE) study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Electrical Engineering (EE).
|
Explore Courses for Electrical Engineering (EE) exam
|
|
Similar Electrical Engineering (EE) Doubts
Top Courses for Electrical Engineering (EE)View all
For efficient transmission, the characteristic impedance of the transmission line has to bea)50 ohmb)75 ohmc)Either 50 or 75 ohmd)Neither 50 nor 75 ohmCorrect answer is option 'C'. Can you explain this answer?
Question Description
For efficient transmission, the characteristic impedance of the transmission line has to bea)50 ohmb)75 ohmc)Either 50 or 75 ohmd)Neither 50 nor 75 ohmCorrect answer is option 'C'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about For efficient transmission, the characteristic impedance of the transmission line has to bea)50 ohmb)75 ohmc)Either 50 or 75 ohmd)Neither 50 nor 75 ohmCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For efficient transmission, the characteristic impedance of the transmission line has to bea)50 ohmb)75 ohmc)Either 50 or 75 ohmd)Neither 50 nor 75 ohmCorrect answer is option 'C'. Can you explain this answer?.
For efficient transmission, the characteristic impedance of the transmission line has to bea)50 ohmb)75 ohmc)Either 50 or 75 ohmd)Neither 50 nor 75 ohmCorrect answer is option 'C'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about For efficient transmission, the characteristic impedance of the transmission line has to bea)50 ohmb)75 ohmc)Either 50 or 75 ohmd)Neither 50 nor 75 ohmCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For efficient transmission, the characteristic impedance of the transmission line has to bea)50 ohmb)75 ohmc)Either 50 or 75 ohmd)Neither 50 nor 75 ohmCorrect answer is option 'C'. Can you explain this answer?.
Solutions for For efficient transmission, the characteristic impedance of the transmission line has to bea)50 ohmb)75 ohmc)Either 50 or 75 ohmd)Neither 50 nor 75 ohmCorrect answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Electrical Engineering (EE).
Download more important topics, notes, lectures and mock test series for Electrical Engineering (EE) Exam by signing up for free.
Here you can find the meaning of For efficient transmission, the characteristic impedance of the transmission line has to bea)50 ohmb)75 ohmc)Either 50 or 75 ohmd)Neither 50 nor 75 ohmCorrect answer is option 'C'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
For efficient transmission, the characteristic impedance of the transmission line has to bea)50 ohmb)75 ohmc)Either 50 or 75 ohmd)Neither 50 nor 75 ohmCorrect answer is option 'C'. Can you explain this answer?, a detailed solution for For efficient transmission, the characteristic impedance of the transmission line has to bea)50 ohmb)75 ohmc)Either 50 or 75 ohmd)Neither 50 nor 75 ohmCorrect answer is option 'C'. Can you explain this answer? has been provided alongside types of For efficient transmission, the characteristic impedance of the transmission line has to bea)50 ohmb)75 ohmc)Either 50 or 75 ohmd)Neither 50 nor 75 ohmCorrect answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice For efficient transmission, the characteristic impedance of the transmission line has to bea)50 ohmb)75 ohmc)Either 50 or 75 ohmd)Neither 50 nor 75 ohmCorrect answer is option 'C'. Can you explain this answer? tests, examples and also practice Electrical Engineering (EE) tests.
|
|
Explore Courses for Electrical Engineering (EE) exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup